计划免疫现用疫苗中，吸附百白破混合制剂（ＤＰＴ）接种反应是最常见的，其一般反应发生率较高。实际工作中，我们发现不同效期和针次接种反应的发生率不同。因此，我们于１９９７年对不同效期和针次的ＤＰＴ接种反应进行了观察。１对象和方法接种对象由市区计划免疫门诊于１ Among the vaccines currently planned for immunization, the DPT vaccination is the most common and the general incidence of the reaction is high. In actual work, we found that the incidence of different duration of vaccination and vaccination is different. Therefore, we observed the DPT vaccination response of different durations and doses in 1997. 1 Subjects and methods of vaccination by the city planning immunization clinic in 1